视频点播系统是一个包含硬件和软件的网络化系统，主要特征是实时和按需求从视频服务器向客户设备传送多路、并发的视频数据流。

The VOD system is a network system including hardware and software. The VOD software transmits multi-path, concurrent video data-stream real time from video server to client.

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将合成后的数据以流的方式推发布到流媒体服务器上，使得非与会者能实时地观看视频会议。

After the combined data in the server are pushed to the stream media server, other users can also watch the conference on real time.

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